The speaker suspects that Anil Seth's biological naturalism amounts to supernaturalism because it treats biological systems as intrinsically different from nonbiological systems.

“The spirit doesn't have to be supernatural. Instead, I think that it is natural. And I suspect that Anil Seth's position of his biological naturalism by making a claim that biological systems are intrinsically different from any other system that is not biological is actually a supernaturalism, right?”